Ivory shimmer A9, 5 3/4 x 8 3/4 envelope – Stardream Opal: This invitation envelope is made with heavyweight 81lb paper with a pearlized finish. Envelope has a straight flap. Order blank and print at home with a laser, or take advantage of our envelope printing service. Matching metallic A9 (half fold) Opal cards are available to make your own invitations or greeting cards. Great for use as a wedding envelope!